Publications by authors named "Nagase M"

Aim: One of the parameters that is measurable using bioelectrical impedance is the phase angle (PhA), which is an indicator of skeletal muscle quality. The PhA reflects cellular health and nutritional status and is an important parameter for monitoring recovery after stroke. However, the factors affecting skeletal muscle quality remain unclear.

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Fallopian tube carcinoma, presenting as an inguinal hernia, is a rare entity. We report the case of a woman in her 70s with a history of hysterectomy and right oophorectomy 29 years prior who presented with left cervical lymphadenopathy and elevated CA125 levels. Imaging revealed a tubular structure in the left pelvic region extending into the inguinal hernia sac.

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  • * An 87-year-old woman with pancreatitis experienced significant abdominal pain, and tests showed high amylase levels and severe anemia, leading to a CT scan that identified a pseudoaneurysm in her dorsal pancreatic artery.
  • * Due to her age and the high risks associated with surgery, the medical team opted for a less invasive endovascular procedure, successfully embolizing the pseudoaneurysm, which was confirmed to have resolved in a follow-up CT scan a week later.
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Eruptive calcified nodules (CNs) are a manifestation of severely calcified plaques, which exist in acute coronary syndrome (ACS), non-ACS lesions. Optical coherence tomography is crucial for diagnosing and treating eruptive CNs in clinical practice. Management of eruptive CNs is still a challenge for interventional cardiologists.

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We described a premature ventricular contraction arising from the left coronary sinus cusp, in which we discussed about the interpretations of the signals recorded there. Our case provided further insights into the interpretation of signals recorded at the coronary sinus cusp during premature ventricular contraction ablation.

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Purpose: Inferior alveolar nerve (IAN) and lingual nerve (LN) blocks are commonly performed using the intraoral landmark techniques. However, these methods have a risk of unanticipated nerve and arterial injury or a higher failure rate. We developed a novel extraoral approach for the IAN and LN blocks, the "inferior alveolar nerve block mandibular angle approach (IANB-MA)," using ultrasound guidance.

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Recent advances in mechanobiology and the discovery of mechanosensitive ion channels have opened a new era of research on hypertension and related diseases. Piezo1 and Piezo2, first reported in 2010, are regarded as bona fide mechanochannels that mediate various biological and pathophysiological phenomena in multiple tissues and organs. For example, Piezo channels have pivotal roles in blood pressure control, triggering shear stress-induced nitric oxide synthesis and vasodilation, regulating baroreflex in the carotid sinus and aorta, and releasing renin from renal juxtaglomerular cells.

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Background: Debulking devices are often followed by a scoring or cutting balloon in percutaneous coronary intervention (PCI) for severely calcified lesions. However, there are limited data on balloon preparation after orbital atherectomy (OA) assessed using optical coherence tomography (OCT).

Aim: We aimed to compare the effects of a novel scoring and cutting balloon on calcified coronary lesions with OCT.

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Background: There are limited data about determinant factors of target lesion failure (TLF) in lesions after percutaneous coronary intervention (PCI) using a drug-coated balloon (DCB) for de novo coronary artery lesions, including optical coherence tomography (OCT) findings.

Aims: The present study aims to investigate the associated factors of TLF in de novo coronary artery lesions with DCB treatment.

Methods: We retrospectively enrolled 328 de novo coronary artery lesions in 328 patients who had undergone PCI with a DCB.

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Key Points: Deletion of endothelial receptor adhesion G-protein–coupled receptor F5 in mice led to abnormal structural and functional properties of the glomerular filtration barrier. Adhesion G-protein–coupled receptor F5 regulates gene expression of glomerular basement membrane components and a mechanosensitive transcription factor.

Background: Glomerular endothelial cells are recognized to be important for maintaining the glomerular filtration barrier.

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Phospholipase C (PLC) is a key enzyme that regulates physiological processes via lipid and calcium signaling. Despite advances in protein engineering, no tools are available for direct PLC control. Here, we developed a novel optogenetic tool, light-controlled PLCβ (opto-PLCβ).

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Intracellular signaling plays essential roles in various cell types. In the central nervous system, signaling cascades are strictly regulated in a spatiotemporally specific manner to govern brain function; for example, presynaptic cyclic adenosine monophosphate (cAMP) can enhance the probability of neurotransmitter release. In the last decade, channelrhodopsin-2 has been engineered for subcellular targeting using localization tags, but optogenetic tools for intracellular signaling are not well developed.

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Objective: This study aimed to explore the factors associated with COVID-19 vaccine hesitancy in Europe among adults by using the Socio-Ecological Model.

Results: This cross-sectional study used secondary data collected from respondents residing in 27 EU countries at the time of May 2021. The outcome was vaccine hesitancy against COVID-19, and the total sample size of 23,606 was analysed by binary logistic regression, as well as McKelvey and Zavonoia's R.

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  • Teratomas are rare germ cell tumors that can form from multiple germ layers and can be found in various body locations, including the kidneys.
  • A case study describes a 49-year-old woman who had an asymptomatic teratoma discovered in her right renal hilum that was associated with a carcinoid tumor.
  • The findings show that the tumor was separate from the kidney and urinary tract, offering insights into the unusual relationship between teratomas and carcinoid tumors.
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  • Podocyte injury is crucial in causing proteinuria, a key indicator of chronic kidney disease linked to conditions like hypertensive nephropathy, but the role of the Piezo1 protein in this process is still unclear.
  • This study found that Piezo1 expression in the kidneys increased in mice with hypertensive nephrosclerosis, coinciding with indicators of podocyte injury, and could be reversed with antihypertensive treatment.
  • Experiments showed that mechanical stretching of Piezo1-expressing podocytes activated the Rac1 signaling pathway, which is involved in podocyte injury, further supporting the idea that Piezo1 contributes to mechanical stress-related damage in these cells.
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  • A study investigated the prevalence and predictors of complete atrioventricular block (C-AVB) that can occur after internal electrical cardioversion (IEC) during atrial fibrillation (AF) ablation.
  • Of 124 patients undergoing the procedure, 88% had their AF terminated, and transient C-AVB occurred in 13% of those where AF was terminated, with longer ventricular pauses observed in those with C-AVB.
  • Key predictors for experiencing transient C-AVB included a larger left atrial diameter and preexisting intraventricular conduction abnormalities.
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We described the differential ventricular overdrive pacing during long RP' supraventricular tachycardia and discussed about its response leading to the dianosis.

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A multistate platform model was developed to describe time-to-event (TTE) endpoints in an oncology trial through the following states: initial, tumor response (TR), progressive disease (PD), overall survival (OS) event (death), censor to the last evaluable tumor assessment (progression-free survival [PFS] censor), and censor to study end (OS censor), using an ordinary differential equation framework. Two types of piecewise functions were used to describe the hazards for different events. Piecewise surge functions were used for events that require tumor assessments at the scheduled study visit times (TR, PD, and PFS censor).

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Penta- and hexa(3,4-thienylene)s were synthesized as a potential precursor for thiophene-containing polyarenes, and the structures were determined X-ray crystallography. The interconversion of thiophene rings is fast in penta(3,4-thienylene), and slow in hexa(3,4-thienylene) reflecting the activation energy for enantiomerization. Size-dependent bathochromic shifts were observed in UV-vis absorption spectra.

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  • Foveolar-type gastric adenoma (FGA) resembles Helicobacter pylori-naïve gastric hyperplastic polyp (HpN-GHP) but can be challenging to differentiate due to minimal histological differences; a study aimed to develop a diagnostic index to help distinguish between the two lesions.* -
  • The study analyzed 51 FGAs and 36 HpN-GHPs using white-light and narrow-band imaging endoscopy, with experts assessing specific visual features; FGAs exhibited unique characteristics such as bright-red color, peripheral hyperplasia, and a demarcation line more frequently than HpN-GHPs.* -
  • Results indicated high diagnostic accuracy for both endoscopic methods, achieving sensitivity of 90.2% and
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